Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 151
140 QUESTIONS AND ANSWERS ON … PUMPS AND PUMPING MACHINERY. 141 492. Q. What disposition is made of the purewater resulting from the condensation of steam ? A. It is pumped back into the boilers. 493. Q. What is the advantage of this practice?A. It provides boiler feed-water that will not form scale in the boilers. 494. Q. What…
Pumping machinery
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